code: def is_variable(x, /, *, exclusive=False):
      # NumPy does not support autograd, checking if x is a variable does have any meaning
      # for NumPy. Return False.
      return False
  
file_path: ivy/ivy/functional/backends/numpy/gradients.py
imports: import logging
  from typing import Sequence, Union
  import ivy
label_desc: Use image node_id 2 for calling a global function with example usage: is_variable() and returns: False